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annotate Samples/Common/MeasureTools.h @ 645:1e9ed656318e

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Merge + ongoing measure work
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 13 May 2019 15:12:56 +0200
parents f939f449482c
children 462a5074f914
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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1e9ed656318e Merge + ongoing measure work
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20
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21 #pragma once
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22
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23 #include <Framework/Scene2D/Scene2D.h>
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24 #include <Framework/Scene2D/ScenePoint2D.h>
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25 #include <Framework/Scene2D/PolylineSceneLayer.h>
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26 #include <Framework/Scene2D/TextSceneLayer.h>
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27
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28 #include <boost/shared_ptr.hpp>
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29 #include <boost/weak_ptr.hpp>
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30
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31 #include <vector>
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32 #include <cmath>
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33
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34 namespace OrthancStone
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35 {
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36 class MeasureTool
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37 {
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38 public:
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39 virtual ~MeasureTool() {}
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40
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41 /**
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42 Enabled tools are rendered in the scene.
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43 */
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44 void Enable();
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45
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46 /**
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47 Disabled tools are not rendered in the scene. This is useful to be able
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48 to use them as their own memento in command stacks (when a measure tool
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49 creation command has been undone, the measure remains alive in the
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50 command object but is disabled so that it can be redone later on easily)
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51 */
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52 void Disable();
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53
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54 protected:
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55 MeasureTool(Scene2D& scene)
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56 : scene_(scene)
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57 , enabled_(true)
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58 {
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59 }
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63 /**
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64 This is the meat of the tool: this method must [create (if needed) and]
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65 update the layers and their data according to the measure tool kind and
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66 current state. This is repeatedly called during user interaction
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67 */
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68 virtual void RefreshScene() = 0;
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69
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70 Scene2D& GetScene()
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71 {
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72 return scene_;
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73 }
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74
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75 /**
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76 enabled_ is not accessible by subclasses because there is a state machine
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77 that we do not wanna mess with
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78 */
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79 bool IsEnabled() const
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80 {
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81 return enabled_;
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82 }
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83
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84 private:
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85 Scene2D& scene_;
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86 bool enabled_;
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87 };
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88
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89 typedef boost::shared_ptr<MeasureTool> MeasureToolPtr;
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90 typedef std::vector<MeasureToolPtr> MeasureToolList;
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91 }
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92
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93